The São Paulo School of Advanced Science on Nonlinear and Quantum Photonics (SPSAS-NQP) is a highly selective, internationally renowned training programme. We are delighted that two of our PhoQS members from Prof. Dr Klaus Jöns’s ‘Hybrid Quantum Photonic Devices’research group have been accepted onto this programme.
Only up to 100 students are admitted worldwide, with a maximum of 50 places reserved for international participants. Our doctoral…
From 16 to 31 August 2026, the Quantum Academy for Education & Talent (a non-profit limited company and subsidiary of the Stifterverband für die Deutsche Wissenschaft) took place in Jülich. The programme was aimed at gifted upper secondary school pupils, with the aim of challenging them intellectually with content beyond the regular school curriculum, encouraging exchange with like-minded peers and providing guidance for their future.
The…
Grafik (first published in npj Quantum Information (2026)): Various light-based simulator approaches corresponding to different approximation methods. From right to left, the experimental complexity of the simulator increases as additional operations must be performed.
A recent study revealed how different methods for simulating molecular vibrations - important for understanding how molecules absorb and emit light – map to various light-based simulators with varying complexity. Jan-Lucas Eickmann and colleagues conducted the work in collaboration with HQS Quantum Simulations as part of the PhoQuant project. The research was led by Dr. Michael Stefszky and Prof. Christine Silberhorn at the Institute of Photonic…
Fig 1 (Lorenzo M. Procopio): The subindex j in Tj does not correspond to the subindex j in Cj. T0(T1) is the time when the atom enters the first (second) cavity.
10.07.2026
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Institute for Photonic Quantum Systems (PhoQS),
Mesoscopic Quantum Optics
In everyday life, events happen in a fixed sequence: one thing happens before another. In quantum physics, however, nature can behave in surprising ways. One such phenomenon is indefinite causal order, where the order of two events is not fixed but exists in a quantum superposition. Rather than occurring in one sequence or the other, both orders can effectively happen at the same time until the system is measured. This unusual feature has…
Graphic (Jonas Lammers; et al.):Photonic Processor Architecture. (a) Shows the experimental implementation consisting
of standard optical components. (b) Represents the underlying mathematical structure and operations, allowing us to program the system as a universal photonic processor.
07.07.2026
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Quantum Computation,
Institute for Photonic Quantum Systems (PhoQS),
Integrated Quantum Optics
Researchers at the Institute of Photonic Quantum Systems (PhoQS) have published a paper combining experimental and theoretical physics expertise from two research groups: the Integrated Quantum Optics group, led by Christine Silberhorn, and the Theoretical Quantum Science group, led by Jan Sperling. In this collaboration, Jonas Lammers, Laura Ares, and co-authors present a new type of photonic processor for quantum information processing.Unlike…
What exactly are photonic quantum systems, and how can light particles and quantum physics be used to transmit data? Scientists from the Institute and 21 school pupils explored this question on 2 July 2026 as part of a one-day programme on offer at the UPB Summer University , organised centrally by the empowerMINT team. The aim of the programme, ‘Photonics-based quantum systems – an interdisciplinary exploration of light particles’, was to…
26.06.2026
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Institute for Photonic Quantum Systems (PhoQS),
Department of Physics,
Theory of Functional Photonic Structures,
Hybrid Quantum Photonic Devices
Cover: The cover of ACS Photonics features the joint publication by the research groups led by Prof. Schumacher and Prof. Sperling, together with researchers from the University of Arizona. (ACS Photonics, Volume 13, Issue 12)
Pages 3211-3539)
18.06.2026
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Institute for Photonic Quantum Systems (PhoQS),
Theory of Functional Photonic Structures,
Theoretical Quantum Science,
Ultrafast Nanophotonics
Three research groups at the Institute for Photonic Quantum Systems and the Physics Departement of Paderborn University – Theory of Functional Photonic Structures (Prof. Dr Stefan Schumacher), Ultrafast Nanophotonics (Prof. Dr Thomas Zentgraf) and Theoretical Quantum Science (Prof. Dr Jan Sperling) – have made progress in the field of modern photonics in their latest work. In two publications, the researchers investigated how light can be…
